The Blond and The Irishman

A blond and an Irish man are casully having a conversation when the blond notices that the Irishman has a sticker on his left foot with a "L" printed on it and a sticker on his right foot with an "R" on it.

When inquiring about this the Irishman replies, "It's so I can tell my left from my right"

After a few minutes silence the blond says, "Oooohhhh that's why I have C & A printed in my knickers!"